104999400 has 144 divisors (see below), whose sum is σ = 384752160. Its totient is φ = 25449600.

The previous prime is 104999383. The next prime is 104999471. The reversal of 104999400 is 4999401.

It is a super-2 number, since 2×104999400² = 22049748000720000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 17149 + ... + 22451.

It is an arithmetic number, because the mean of its divisors is an integer number (2671890).

Almost surely, 2^104999400 is an apocalyptic number.

104999400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104999400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192376080).

104999400 is an abundant number, since it is smaller than the sum of its proper divisors (279752760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104999400 is a wasteful number, since it uses less digits than its factorization.

104999400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336 (or 5324 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 104999400 is about 10246.9214889156. The cubic root of 104999400 is about 471.7684994216.

Subtracting from 104999400 its reverse (4999401), we obtain a palindrome (99999999).

The spelling of 104999400 in words is "one hundred four million, nine hundred ninety-nine thousand, four hundred".